Add anipy-cli download fallback

Add an optional config toggle that retries failed ani-cli downloads with anipy-cli, expose fallback runtime status in the config page, and update release docs and tests for the new behavior.

README.md

@@ -2,12 +2,13 @@
 
 Local web UI for a system-wide `ani-cli` install.
 
-Current version: `0.46.0`
+Current version: `0.47.0`
 
 ## What it does
 
 - Search anime in `sub` or `dub`, with poster-style results shown below the selection panel and the first English alternate title when available
 - Queue downloads with folder, quality, media type, season, and episode controls
+- Optionally retry failed `ani-cli` downloads with `anipy-cli`
 - Track shows in a watchlist with `Watching`, `Planned`, `Finished`, and `Dropped` categories
 - Expose a small JSON summary endpoint for Homepage dashboard widgets
 - Refresh watchlist episode counts manually or on a schedule
@@ -20,13 +21,14 @@ Current version: `0.46.0`
 - `/`: Search and queue downloads, with poster-card search results below the selection box and alternate English titles under the main name when available
 - `/queue`: Monitor jobs, inspect logs, retry failed jobs, remove finished jobs
 - `/watchlist`: Track shows, refresh them, download all available episodes, and manage auto-download settings such as `Source name`, library `Name`, season, and episode offset
-- `/config`: Save defaults, schedule refreshes, configure Jellyfin and Discord, monitor Jellyfin handoff progress, and view runtime info and the changelog
+- `/config`: Save defaults, toggle `anipy-cli` fallback retries, schedule refreshes, configure Jellyfin and Discord, monitor Jellyfin handoff progress, and view runtime info and the changelog
 
 ## Quick start
 
 Requirements:
 
 - `ani-cli` installed and available in `PATH`
+- Optional: `anipy-cli` installed and available in `PATH` if you want automatic fallback retries
 - Common runtime tools used by `ani-cli`, especially `curl`, `ffmpeg`, `fzf`, `grep`, `openssl`, `sed`, `aria2c`, and `yt-dlp`
 
 Run locally:
@@ -47,6 +49,7 @@ Useful flags and env:
 - `ANI_CLI_WEB_HOST=0.0.0.0`
 - `ANI_CLI_WEB_PORT=8421`
 - `ANI_CLI_BIN=/path/to/ani-cli`
+- `ANIPY_CLI_BIN=/path/to/anipy-cli`
 
 ## Docker
 
@@ -99,6 +102,12 @@ Docker notes:
 - Uses the per-show language, quality, `Source name` search override, season, library name, and optional episode offset settings
 - Can queue backlog episodes that were already available before the show was first tracked
 
+### Download fallback
+
+- Optional and configured from `/config`
+- When enabled, a failed `ani-cli` queue job retries once with `anipy-cli`
+- `anipy-cli` should be installed separately on the host or inside your container if you want the retry path to be available
+
 ### Jellyfin handoff
 
 - Optional and configured from `/config`
@@ -135,6 +144,7 @@ The Config page runtime panel shows:
 
 - `ani-cli-web` version loaded from `VERSION`
 - Installed `ani-cli` version
+- Installed `anipy-cli` version and dependency status
 - A `Changelog` button that opens a scrollable viewer backed by `CHANGELOG.md`
 
 ## Remote access
@@ -182,6 +192,7 @@ ANI_CLI_DOWNLOAD_DIR/movie/Movie Name/Movie Name.mp4
 Most users only need these environment variables:
 
 - `ANI_CLI_BIN`
+- `ANIPY_CLI_BIN`
 - `ANI_CLI_WEB_HOST`
 - `ANI_CLI_WEB_PORT`
 - `ANI_CLI_WEB_ALLOW_REMOTE`